/*
 * Paper
 * A simple, clean, flexible Hugo theme
 * https://github.com/nanxiaobei/hugo-paper
 * Designed by MR.LEE (https://mrlee.me/)
 * Updated in 2020.6.12
 */

/* Theme
-------------------------------------------------- */
:root {
    --gap: 24px;
    --content-gap: 40px;
    --nav-width: 1024px;
    --main-width: 640px;
    --header-height: 60px;
    --footer-height: 60px;
    --radius: 8px;
  
    --theme: #fff;
    --entry: #fff;
    --primary: rgba(0, 0, 0, 0.88);
    --secondary: rgba(0, 0, 0, 0.56);
    --tertiary: rgba(0, 0, 0, 0.16);
    --content: rgba(0, 0, 0, 0.88);
  
    --hljs-bg: #1c1d21;
    --code-bg: #f5f5f5;
    --border: #eee;
  }
  .dark {
    --theme: #1d1e20;
    --entry: #2e2e33;
    --primary: rgba(255, 255, 255, 0.84);
    --secondary: rgba(255, 255, 255, 0.56);
    --tertiary: rgba(255, 255, 255, 0.16);
    --content: rgba(255, 255, 255, 0.64);
  
    --hljs-bg: #2e2e33;
    --code-bg: #37383e;
    --border: #5b5d67;
  }
  .list {
    background: var(--code-bg);
  }
  .dark.list {
    background: var(--theme);
  }
  /* Reset
  -------------------------------------------------- */
  *,
  *::before,
  *::after {
    box-sizing: border-box;
  }
  html {
    -webkit-tap-highlight-color: transparent;
  }
  body {
    margin: 0;
    color: var(--primary);
    font-family: 'IBM Plex Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell,
    'Open Sans', 'Helvetica Neue', sans-serif;
    font-size: 18px;
    line-height: 1.8;
    word-break: break-word;
    background: var(--theme);
  }
  article,
  aside,
  figcaption,
  figure,
  footer,
  header,
  hgroup,
  main,
  nav,
  section {
    display: block;
  }
  h1,
  h2,
  h3,
  h4,
  h5,
  h6 {
    margin-top: 0;
    margin-bottom: 0;
    color: var(--primary);
    line-height: 1.2;
  }
  p {
    margin-top: 0;
    margin-bottom: 0;
  }
  strong,
  b {
    font-weight: 500;
  }
  ul {
    margin: 0;
    padding: 0;
  }
  a {
    color: var(--primary);
    text-decoration: none;
  }
  figure {
    margin: 0;
  }
  table {
    width: 100%;
    border-collapse: collapse;
    border-spacing: 0;
  }
  button,
  input,
  textarea {
    padding: 0;
    font: inherit;
    background: transparent;
    border: 0;
    -webkit-appearance: none;
  }
  button,
  input[type='button'],
  input[type='submit'] {
    cursor: pointer;
  }
  input,
  textarea {
    padding: 0;
    border: 0;
    outline: 0;
  }
  input:-webkit-autofill,
  textarea:-webkit-autofill {
    box-shadow: 0 0 0 50px var(--theme) inset;
  }
  img {
    display: block;
    max-width: 100%;
  }
  /* Header
  -------------------------------------------------- */
  .nav {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    max-width: calc(var(--nav-width) + var(--gap) * 2);
    margin-left: auto;
    margin-right: auto;
  }
  .nav a {
    display: block;
    line-height: var(--header-height);
  }
  .logo,
  .menu {
    margin-left: var(--gap);
    margin-right: var(--gap);
  }
  .logo a {
    font-size: 24px;
    font-weight: 700;
  }
  .menu {
    display: flex;
    list-style: none;
    word-break: keep-all;
    overflow-x: auto;
  }
  .menu li + li {
    margin-left: var(--gap);
  }
  .menu a {
    font-size: 16px;
  }
  /* Main
  -------------------------------------------------- */
  .main {
    position: relative;
    min-height: calc(100vh - var(--header-height) - var(--footer-height));
    max-width: calc(var(--main-width) + var(--gap) * 2);
    margin-left: auto;
    margin-right: auto;
    padding: var(--gap);
  }
  .page-header {
    margin-bottom: 24px;
  }
  .page-header h1 {
    font-size: 40px;
  }
  .pagination {
    display: flex;
  }
  .pagination a {
    color: var(--theme);
    font-size: 13px;
    line-height: 36px;
    background: var(--primary);
    border-radius: calc(36px / 2);
  }
  .pagination .prev {
    padding-left: 16px;
    padding-right: 18px;
  }
  .pagination .next {
    margin-left: auto;
    padding-left: 18px;
    padding-right: 16px;
  }
  /* Post entry
  -------------------------------------------------- */
  .first-entry {
    position: relative;
    display: flex;
    flex-direction: column;
    justify-content: center;
    height: 320px;
    margin-bottom: var(--header-height);
  }
  .first-entry .entry-header {
    overflow: hidden;
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 3;
  }
  .first-entry .entry-header h2 {
    font-size: 40px;
  }
  .first-entry .entry-content {
    margin-top: 14px;
    margin-bottom: 14px;
    font-size: 16px;
    -webkit-line-clamp: 3;
  }
  .first-entry .entry-footer {
    font-size: 14px;
  }
  .post-entry {
    position: relative;
    margin-bottom: var(--gap);
    padding: var(--gap);
    background: var(--entry);
    border-radius: var(--radius);
    transition: transform 0.1s;
  }
  .post-entry:active {
    transform: scale(0.96);
  }
  .tag-entry .entry-content,
  .tag-entry .entry-footer {
    display: none;
  }
  .entry-header h2 {
    font-size: 24px;
  }
  .entry-content {
    margin-top: 8px;
    margin-bottom: 8px;
    color: var(--secondary);
    font-size: 14px;
    line-height: 1.6;
    overflow: hidden;
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 2;
  }
  .entry-footer {
    color: var(--secondary);
    font-size: 13px;
  }
  .entry-link {
    position: absolute;
    left: 0;
    right: 0;
    top: 0;
    bottom: 0;
  }
  /* Post single
  -------------------------------------------------- */
  .post-header {
    margin-top: 24px;
    margin-bottom: var(--content-gap);
  }
  .post-title {
    margin-bottom: 2px;
    font-size: 40px;
    transform: translateX(-2px);
  }
  .post-meta {
    color: var(--secondary);
    font-size: 14px;
  }
  .post-content {
    color: var(--content);
  }
  .post-content h1 {
    margin-top: 40px;
    margin-bottom: 32px;
  }
  .post-content h2 {
    margin-top: 32px;
    margin-bottom: 24px;
  }
  .post-content h3,
  .post-content h4,
  .post-content h5,
  .post-content h6 {
    margin-top: 24px;
    margin-bottom: 16px;
  }
  .post-content h1 {
    font-size: 40px;
  }
  .post-content h2 {
    font-size: 32px;
  }
  .post-content h3 {
    font-size: 24px;
  }
  .post-content h4 {
    font-size: 16px;
  }
  .post-content h5 {
    font-size: 14px;
  }
  .post-content h6 {
    font-size: 12px;
  }
  .post-content a {
    box-shadow: 0 1px 0 var(--primary);
  }
  .post-content a code {
    margin-left: 0;
    margin-right: 0;
    border-radius: 0;
    box-shadow: 0 -1px 0 var(--primary) inset;
  }
  .post-content del {
    text-decoration: none;
    background: linear-gradient(to right, var(--primary) 100%, transparent 0) 0 50% / 1px 1px repeat-x;
  }
  .post-content p,
  .post-content ul,
  .post-content ol,
  .post-content dl {
    margin-bottom: var(--content-gap);
  }
  .post-content ul,
  .post-content ol {
    padding-left: 20px;
  }
  .post-content li {
    margin-top: 5px;
  }
  .post-content li p {
    margin-bottom: 0;
  }
  .post-content dl {
    display: flex;
    flex-wrap: wrap;
    margin: 0;
  }
  .post-content dt {
    width: 25%;
    font-weight: 700;
  }
  .post-content dd {
    width: 75%;
    margin-left: 0;
    padding-left: 10px;
  }
  .post-content dt ~ dt,
  .post-content dd ~ dd {
    margin-top: 10px;
  }
  .post-content table {
    margin-bottom: 32px;
  }
  .post-content table th,
  .post-content table:not(.highlighttable) td {
    min-width: 80px;
    padding: 12px 8px;
    line-height: 1.5;
    border-bottom: 1px solid var(--border);
  }
  .post-content table th {
    font-size: 14px;
    text-align: left;
  }
  .post-content table:not(.highlighttable) td code:only-child {
    margin-left: 0;
    margin-right: 0;
  }
  .post-content .highlight,
  .post-content pre {
    margin-bottom: 32px;
    background: var(--hljs-bg) !important;
    border-radius: var(--radius);
    overflow-x: auto;
  }
  .post-content ul pre {
    margin-left: calc(var(--gap) * -2);
  }
  .post-content .highlight pre {
    margin-left: 0;
    margin-right: 0;
    margin-bottom: 0;
  }
  /* table */
  .post-content .highlighttable {
    table-layout: fixed;
  }
  .post-content .highlighttable td:first-child {
    width: 40px;
  }
  .post-content .highlighttable td .linenodiv {
    padding-right: 0 !important;
  }
  .post-content .highlighttable td .linenodiv pre,
  .post-content .highlighttable td .highlight {
    margin-bottom: 0;
  }
  .post-content .highlighttable td .highlight pre code::-webkit-scrollbar {
    display: none;
  }
  /* inline */
  .post-content .highlight span {
    background: transparent !important;
  }
  
  .post-content code {
    margin-left: 4px;
    margin-right: 4px;
    padding: 4px 6px;
    font-family: Menlo, Monaco, 'Courier New', Courier, monospace;
    font-size: 0.78em;
    line-height: 1.5;
    background: var(--code-bg);
    border-radius: 2px;
  }
  .post-content pre code {
    display: block;
    margin-left: 0;
    margin-right: 0;
    padding: var(--gap);
    color: rgba(255, 255, 255, 0.8);
    background: transparent;
    border-radius: 0;
  }
  .post-content blockquote {
    margin: 0 0 0 calc(var(--gap) * -1);
    padding: 0 0 0 21px;
    border-left: 3px solid var(--primary);
  }
  .post-content hr {
    height: 1px;
    margin-top: 56px;
    margin-bottom: 56px;
    background: var(--tertiary);
    border-top: 0;
    border-bottom: 0;
  }
  .post-content iframe {
    max-width: 100%;
  }
  .post-footer {
    margin-top: 56px;
  }
  .post-tags li {
    display: inline-block;
  }
  .post-tags li + li {
    margin-left: 3px;
  }
  .post-tags a {
    display: block;
    padding-left: 14px;
    padding-right: 14px;
    color: var(--secondary);
    font-size: 14px;
    line-height: 34px;
    background: var(--code-bg);
    border-radius: 4px;
  }
  .post-tags a:hover {
    background: var(--border);
  }
  /* Footer
  -------------------------------------------------- */
  .footer {
    max-width: calc(var(--main-width) + var(--gap) * 2);
    margin-left: auto;
    margin-right: auto;
    padding: calc((var(--footer-height) - var(--gap)) / 2) var(--gap);
    color: var(--secondary);
    font-size: 12px;
    text-align: center;
    line-height: 24px;
  }
  .footer span {
    margin-left: 1px;
    margin-right: 1px;
  }
  .footer a {
    color: inherit;
  }
  .footer a:hover {
    color: var(--primary);
    border-bottom: 1px solid var(--primary);
  }
  /* 404
  -------------------------------------------------- */
  .not-found {
    position: absolute;
    left: 0;
    right: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    height: 80%;
    font-size: 160px;
    font-weight: 700;
  }
  